104450125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 157248000

約数和(自身を除く): 52797875

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 199, 221, 247, 323, 325, 425, 475, 995, 1105, 1235, 1615, 1625, 2125, 2375, 2587, 3383, 3781, 4199, 4975, 5525, 6175, 8075, 12935, 16915, 18905, 20995, 24875, 27625, 30875, 40375, 43979, 49153, 64277, 64675, 84575, 94525, 104975, 219895, 245765, 321385, 323375, 422875, 472625, 524875, 835601, 1099475, 1228825, 1606925, 4178005, 5497375, 6144125, 8034625, 20890025, 104450125]

約数ペア:

[(1, 104450125), (5, 20890025), (13, 8034625), (17, 6144125), (19, 5497375), (25, 4178005), (65, 1606925), (85, 1228825), (95, 1099475), (125, 835601), (199, 524875), (221, 472625), (247, 422875), (323, 323375), (325, 321385), (425, 245765), (475, 219895), (995, 104975), (1105, 94525), (1235, 84575), (1615, 64675), (1625, 64277), (2125, 49153), (2375, 43979), (2587, 40375), (3383, 30875), (3781, 27625), (4199, 24875), (4975, 20995), (5525, 18905), (6175, 16915), (8075, 12935)]